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Vulnerability Details : CVE-2017-16021

uri-js is a module that tries to fully implement RFC 3986. One of these features is validating whether or not a supplied URL is valid or not. To do this, uri-js uses a regular expression, This regular expression is vulnerable to redos. This causes the program to hang and the CPU to idle at 100% usage while uri-js is trying to validate if the supplied URL is valid or not. To check if you're vulnerable, look for a call to `require("uri-js").parse()` where a user is able to send their own input. This affects uri-js 2.1.1 and earlier.
Publish Date : 2018-06-04 Last Update Date : 2018-07-20
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- CVSS Scores & Vulnerability Types

CVSS Score
6.8
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Single system (The vulnerability requires an attacker to be logged into the system (such as at a command line or via a desktop session or web interface).)
Gained Access None
Vulnerability Type(s)
CWE ID 400

- Products Affected By CVE-2017-16021

# Product Type Vendor Product Version Update Edition Language
1 Application Uri-js Project Uri-js 2.1.1 ~~~node.js~~ Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Uri-js Project Uri-js 1

- References For CVE-2017-16021

https://nodesecurity.io/advisories/100
https://github.com/garycourt/uri-js/issues/12

- Metasploit Modules Related To CVE-2017-16021

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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